1.
It is important to make sure there are no echoes or background noises in the room.
Pay attention to your surroundings.

2.
It is important to eliminate any unwanted motions or unwanted noises associates with motion.
Wear headphones when listening to your recording.

3.
It is important not to be distracted by background noise or confuse it with background noise from your recording.
Use a tripod or table microphone.